Rock Jockey

A 3/3 for three mana in red was a perfectly fair rate in 2003, which is exactly why the card has to be punished for showing up so cheaply. The mechanism is a pair of anti-synergy clauses that fight your own turn: drop a land and you've locked yourself out of casting it, and resolve it and you've locked yourself out of dropping a land. The phrasing matters because the first restriction checks whether you've played a land this turn and the second checks whether it was cast this turn, not lands in play, so a Goblin priced under the curve costs you a tempo beat in one direction or the other every time. It is a designer's joke about cost, the inverse of cards that reward you for hitting a land drop: here the body is the bribe and the skipped land is the bill. The closest cousins in spirit are the other Scourge "you can't" Goblins that built whole limitations into a creature's text rather than its stats, an approach that period of design briefly leaned into as a way to make small bodies feel dangerous to deploy. Read it as a curiosity about how Magic prices tempo when it refuses to price it in mana: the card is undercosted on paper and overcosted in sequencing, and the gap between those two numbers is the entire design.